...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7845668 | Dual trailer with lifting wheels for transport when empty A dual trailer has a first trailer with a king pin for a tractor and a rear fifth wheel for the king pin of a second trailer. The rear end of the first trailer and the front end of the second trailer is lifted into an empty transport position so that the first and s... | 12/07/2010 |
| 7159888 | Modular transport vehicle and method of use A modular transport vehicle includes a plurality of dollies which are removably connected to a central spine. Because the components of the present invention may be disconnected, the transport vehicle may be readily disassembled and moved from location to location u... | 01/09/2007 |
| 6966388 | Offset hitch A heavy gauge agricultural implement hitch is disclosed which is offset such that the implement and the tractor are not directly in line with one another, but allows the tractor to follow the previous crop rows and the implement to be offset of the previous crop row... | 11/22/2005 |
| 6745954 | Trailer-mounted atomizer In a trailer-mounted atomizer, preset to be towed with a tractor (2) and including a spreading apparatus (1) fed from a tank (3) and a trailer (4) with a towing drawbar (5), the tank (3) is fixed directly onto the trailer ( | 06/08/2004 |
| 5579849 | Implement convertible between a use position and a transport position A hitchable and towable implement that is suitable for the attachment of various agricultural tooling and that is convertible between a laterally expanded use position and a laterally narrow transport position. The implement has a wheeled lower center sec... | 12/03/1996 |
| 5412929 | Steerable tandem implement hitch The present invention teaches a novel steering apparatus which functions in conjunction with the tandem rake offset mechanism. The rear rake may be offset either left or right, thus permitting single or double windrowing, and also transmits steering comma... | 05/09/1995 |
| 5346019 | Agricultural implement with common mechanism for raising/lowering and rotating a lift frame about a vertical axis An agricultural implement, such as a row crop planter, has a main carrier frame drawn by a tractor and including support wheels. Individual row units are mounted on a lift frame. The carrier frame includes a cornered lift post which is mounted for rotatio... | 09/13/1994 |
| 5261497 | Multiple implement hitch and steerable wheel assembly therefor Hitch structure for connecting first and second implements for operation side-by-side in the field, and one directly behind the other for transport. A freely rockable swing hitch has a forward end connected to one side of the first implement frame for piv... | 11/16/1993 |
| 5255756 | Caddy with guidance system for agricultural implements A caddy with a guidance system for towing agricultural implements is provided for row crop farming. The caddy converts mounted agricultural implements to pull-type implements, allowing larger implements to be pulled by relatively small tractors. A guidanc... | 10/26/1993 |
| 5240079 | Guidance control system for farm tractor/implement combination having improved turnaround capability A guidance system is disclosed for the combination of a farm tractor and trailing implement, wherein the guidance system is of the type where the implement is attached to a 3-point hitch mechanism that can be angularly oriented in a horizontal plane by ex... | 08/31/1993 |
| 5232054 | Front folding no-till drill The front folding machine has a main fore-and-aft carrier frame provided with transport wheels that may be hydraulically actuated to raise and lower the frame simultaneously with the actuation of gauge wheels on a pair of transverse drill units connected ... | 08/03/1993 |
| 5201167 | Multiple implement frame with parallel mounting bars A multiple implement frame includes front and rear implement mounting bars which maintain a parallel relationship at all times. The rear mounting bar may be displaced either to the left or right through operation of a power cylinder extending between the ... | 04/13/1993 |
| 5031394 | Swather attachment for bi-directional tractor A mounting structure for attaching an elongated swather head to a tractor of the bi-directional type, the structure mounting the head in front of the tractor in a swathing direction of travel and accommodating swinging movement of the head to a trailing t... | 07/16/1991 |
| 5024456 | Two unit folding hitch structures Hitch structure for towing first and second implements forwardly one behind the other in a transport position and in a side-by-side relationship in a field-working position. The hitch structure includes an elongated rear hitch pivotally connected to a rea... | 06/18/1991 |
| 4938295 | Implement hitch assembly An implement hitch assembly serves to aggregate two machines. The machines are echeloned in the working position or in tandem in a transport position when moving from one field to another. The hitch includes a transverse draw bar, connected to a tractor. ... | 07/03/1990 |
| 4921268 | Transport dolly An object or vehicle transporting dolly supporting one elevated object end comprising of a pair of mounting pads and transporting wheels each connected to a pair of vertically pivoting control arms which have also a vertical pivot connection to a center p... | 05/01/1990 |
| 4815259 | Rotary lawn mower gang frame A frame for ganging a plurality of individually powered rotary lawn mowers together for towing by a vehicle in cutting lawn or the like has T-shaped draft bars which have cross-bar portions pivotally attached to the brackets of skid units mounted to the f... | 03/28/1989 |
| 4723787 | Implement transport hitch A fore-and-aft extending transport hitch frame carried on a pair of ground wheels supports the innermost ends of a pair of end wheel wing drills and tows a trailing end wheel drill between the wing drills. The wing drills are connected to rearwardly angle... | 02/09/1988 |
| 4662161 | Pull-type windrower A pull type swather or windrower which can be used either singly or in a duplex or tandem arrangement can be adjusted from a working position to a transport position by pivoting the hitch through 90° and by unlocking the wheels so they turn through 90° ... | 05/05/1987 |
| 4637625 | Mower hitch assembly A lawn mower hitch assembly including a leading hitch device and a trailing hitch device secured to a respective leading mower vehicle and a trailing mower vehicle, and operatively connected to each other for free pivotal movement about a substantially ve... | 01/20/1987 |
| 4601484 | Implement pulling hitch assembly A multiple implement to tractor hitch assembly. A horizontally disposed elongated first beam is horizontally curved and connected intermediate its ends by a tongue with a tractor drawbar for horizontal pivoting movement of the first beam about the vertica... | 07/22/1986 |
| 4586724 | Hitch assembly A hitch assembly comprising a hitch bar 1 having a hitch 2 for attachment to a tractor at its leading end; a pair of drawbars 4,5, each having one end pivotally connected to the hitch bar 1 so as to be swingable in a substantially horizontal plane between... | 05/06/1986 |
| 4577881 | Implement hitch assembly An improved implement hitch assembly attached to the rear of a self-propelled pulling vehicle. The hitch assembly used for towing a front and rear agriculture implement such as a grain drill in a tandem position when traveling on a roadway and when in the... | 03/25/1986 |
| 4573309 | Pull-type windrower A pull-type swather or windrower which can be used either singly or in a duplex or tandem arrangement can be adjusted from a working position to a transport position by pivoting the hitch through 90° and by unlocking the wheels so they turn through 90° ... | 03/04/1986 |
| 4504076 | Forward-folding agricultural implement featuring narrow row spacing An agricultural implement of the type capable of folding from a wide operating mode to a narrow transport mode. The folding involves forward folding of the right and left wing sections alongside the central, fore-and-aft hitch. Featured are support wheels... | 03/12/1985 |
| 4426096 | Bridge cart A cart that is connectable between an agricultural implement and a tractor, for carrying bulk material for application simultaneously with operation of the agricultural implement. The cart includes a longitudinally and elevationally adjustable tongue asse... | 01/17/1984 |
| 4415174 | Multiple implement towing apparatus A towing apparatus capable of being pulled over the ground by a single tractor and for towing multiple agricultural implements is provided with a main towing arm having at its end opposite the tractor hitch a vertically extending beam to which is pivotall... | 11/15/1983 |
| 4381118 | Multi-hitch apparatus for tandem towing of farm implements Apparatus for connecting a plurality of towed portable farm implement in optional dual configurations characterized by a first position wherein the farm implements are towed in a staggered or offset relationship to one another for field use and a second p... | 04/26/1983 |
| 4346909 | Transport mechanism for single and multiple unit pull type implements In its simplest form, a single unit implement such as a swather or the like, can be moved from field position to transport position by moving the rear offside wheels to the desired angle and fixing them in this position and allowing the near side rear whe... | 08/31/1982 |
| 4262921 | Tandem implement hitch A generally horizontal forwardly opening U-shaped frame is provided including a pair of front to rear extending elongated opposite side members and a rear cross member extending and secured between the rear ends of the side members. The forward ends of th... | 04/21/1981 |
| 4245458 | Extendable tool bar for hay rakes A transversely extendable tool bar for multiple hay rakes which is adapted to be mounted directly to the three-point hitch of a farm vehicle so that the gang of rakes mounted on the tool bar may be simultaneously lifted from or adjusted relative to the ea... | 01/20/1981 |
| 4232876 | Gang plow hitch A rear universally supported gang plow mounting attachment is operatively connected to a forward horizontal transverse main header beam by a front to rear extending diagonal beam having its forward end pivotally anchored to one end of the header beam for ... | 11/11/1980 |
| 4213628 | Pulling hitch for agricultural implements A pulling hitch for connecting a plurality of transverse agricultural implements to a single towing vehicle for both field and road usage. First and second rigid horizontal frames respectively tow a pair of independent transverse implements. The first fra... | 07/22/1980 |
| 4178010 | Implement hitch assembly An implement hitch assembly pivotally attached to the rear of a self-propelled pulling vehicle. The hitch assembly tows a front agricultural implement and a rear agricultural implement in a tandem position when traveling on a roadway. By releasing a front... | 12/11/1979 |
| 4162085 | Swingable transport bar A swingable transport bar comprising a linkage arrangement for attachment to press drills or other similar earth working equipment to transport the drill in normal seeding relationship across a field and thereafter to swing the linkage arrangement from a ... | 07/24/1979 |
| 4130295 | Hitch assembly for a farm tractor A hitch assembly is disclosed that is particularly useful for a farm tractor to pull ancillary farm equipment, such as ammonia applicators, across a field to be treated during a farming operation. The hitch assembly is connected to the front of the tracto... | 12/19/1978 |
| 4123082 | Positionally adjustable lawn mower hitch A hitch construction for connecting a push-type lawn mower for towing behind a riding mower on either side. The towing mower has a trunnion with a vertical axis for receiving the finger portion of an L-shaped rod, and a pair of releasable securing devices... | 10/31/1978 |
| 4115984 | Arrangement for interconnecting a side delivery rake and a baler A support member is pivotally connected to a baler and projects laterally thereof. A side delivery rake is secured to the projecting end of the support member.... | 09/26/1978 |
| 4002334 | Dual frame offset disc implement with tongue members and a tow bar arranged for movement between side by side relation and a trailing relation An earth working apparatus in the form of a dual frame offset disc implement includes first and second tongue members and a tow bar arranged for movement of first and second mobile frames between a side-by-side earth working position and a trailing relati... | 01/11/1977 |
| 3990718 | Twin pull unit for agricultural implements The invention is concerned with a twin tow unit which enables a single tractor to pull two agricultural implements simultaneously. The unit comprises a substantially elongated inverted U-shaped main member, the forward end of which is supported on at leas... | 11/09/1976 |